Think of the saying,"Please Excuse My Dear Aunt Sally." You solve inside the parentheses first, then exponents, multlipication/division, and finally addition/subtraction.
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Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify..
2+2 = 2*2 = 2^2 all simplify to 4. But there is no special name for the three expressions.
In math evaluating is where you simplify an expression as much as possible. For example to evaluate 5+2 you simplify it so it is 7. To evaluate 5x+3x+4y you simplify it to 8x+4y.
m - 8 + 143 - 5the answer is m+130
They are not equivalent.